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Applied Sciences
Volume 9
Issue 12
10.3390/app9122488
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Article

High-Speed VCSEL-Based Transceiver for 200 GbE Short-Reach Intra-Datacenter Optical Interconnects

by
Giannis Kanakis
1,*,
Nikos Iliadis
1,
Wouter Soenen
2,
Bart Moeneclaey
2,
Nikolaos Argyris
3,
Dimitrios Kalavrouziotis
3,
Silvia Spiga
4,
Paraskevas Bakopoulos
3 and
Hercules Avramopoulos
1
1
School of Electrical and Computer Engineering, National Technical University of Athens, 9 Iroon Polytechniou Str., 15780 Athens, Greece
2
IDLab, Department of Information Technology, Ghent University/IMEC, 9052 Ghent, Belgium
3
Mellanox Technologies Ltd., Hakidma 26, 2069200 Yokneam, Israel
4
Walter Schottky Institut, TU München, Am Coulombwall 4, D-85748 Garching, Germany
*
Author to whom correspondence should be addressed.
Appl. Sci. 2019, 9(12), 2488; https://doi.org/10.3390/app9122488
Received: 13 April 2019 / Revised: 12 June 2019 / Accepted: 13 June 2019 / Published: 18 June 2019
(This article belongs to the Special Issue PICs for Optical Interconnects)
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Abstract

The soaring demand for higher speeds in datacenters to address the relentless growth of the global IP traffic places optical interconnects in the spotlight. In this manuscript, we present a high-speed optical transceiver for intra-datacenter connectivity. The transceiver is based on single-mode, single-polarization high-speed vertical-cavity surface-emitting lasers (VCSELs), a VCSEL driver chip, and a linear receiver. Following a step-by-step approach, we present the architectures, assembly processes, and experimental results from the different modules. More specifically, we demonstrate (1) a data transmission experiment at 80 Gb/s using PAM-4 (four-level Pulse Amplitude Modulation) modulation for a reach of up to 500 m by employing a single-mode VCSEL module, and (2) a full-link experiment proving up to 64 Gb/s per lane capacity using PAM-4 signaling of the VCSEL-based optical transceiver test vehicles in back-to-back configuration and up to 56 Gb/s for 500 m and 2 km transmission distances. The acquired experimental results verify the suitability of the optical transceiver for intra-datacenter interconnects’ applications. View Full-Text
Keywords: short-reach optical interconnects; intra-datacenter connectivity; VCSEL-based transmitter; VCSEL; linear receiver; high-speed optical transceiver; 200 GbE applications short-reach optical interconnects; intra-datacenter connectivity; VCSEL-based transmitter; VCSEL; linear receiver; high-speed optical transceiver; 200 GbE applications
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MDPI and ACS Style

Kanakis, G.; Iliadis, N.; Soenen, W.; Moeneclaey, B.; Argyris, N.; Kalavrouziotis, D.; Spiga, S.; Bakopoulos, P.; Avramopoulos, H. High-Speed VCSEL-Based Transceiver for 200 GbE Short-Reach Intra-Datacenter Optical Interconnects. Appl. Sci. 2019, 9, 2488. https://doi.org/10.3390/app9122488

AMA Style

Kanakis G, Iliadis N, Soenen W, Moeneclaey B, Argyris N, Kalavrouziotis D, Spiga S, Bakopoulos P, Avramopoulos H. High-Speed VCSEL-Based Transceiver for 200 GbE Short-Reach Intra-Datacenter Optical Interconnects. Applied Sciences. 2019; 9(12):2488. https://doi.org/10.3390/app9122488

Chicago/Turabian Style

Kanakis, Giannis, Nikos Iliadis, Wouter Soenen, Bart Moeneclaey, Nikolaos Argyris, Dimitrios Kalavrouziotis, Silvia Spiga, Paraskevas Bakopoulos, and Hercules Avramopoulos. 2019. "High-Speed VCSEL-Based Transceiver for 200 GbE Short-Reach Intra-Datacenter Optical Interconnects" Applied Sciences 9, no. 12: 2488. https://doi.org/10.3390/app9122488

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